Describing a leaf that is divided nearly to the base in a bipinnate pattern, with margins that meet at or near the axis.
From 'bi-' (twice), 'pinnate,' and '-partite' (from Latin 'partitus,' divided). Used in botanical taxonomy for precise leaf description.
Bipinnatipartite is one of those delightfully extreme botanical terms—it's like saying 'divided so deeply in two directions that you're almost separating the leaf into distinct pieces, but not quite completely.'
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